RAL 540-1
Pale Thistle
RAL 540-1 Pale Thistle is the lightest shade in the 540 base group of the RAL Effect system, presenting a soft cool violet with gentle periwinkle undertones. This tranquil, refined tone brings a meditative calm to interior accent walls, wellness spaces, and decorative coating applications. Its cool elegance pairs naturally with dove grey, white, and soft sage palettes.
Color Reference
RAL Effect colors combine a base shade with a metallic or pearl variant. Base shades (-1 through -6) offer tonal gradation within a color family. The -M suffix indicates a metallic finish with shimmer and depth for architectural and automotive applications.
WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.
Spectrum & Perceptual Position
CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.
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Reference + opposite hue with tonal variations
Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.
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